A SEMINAR WAS HELD DURING THE SUMMER OF 1961 TO EXPLORE THE RESEARCH NEEDS IN THE BEHAVIORAL ASPECTS OF MENTAL RETARDATION. THIRTEEN SPECIALISTS DISCUSSED AND STUDIED THESE NEEDS AND ESTABLISHED GUIDELINES FOR SUCH AREAS OF STUDY AS (1) NATURE AND DETERMINANTS OF INTELLIGENCE AND ITS DEVIATIONS, (2) PSYCHOLOGICAL DETERMINANTS OF MENTAL…

The aim of the present study was to confirm the presence in a young child of a general motivational factor which might be described as a tendency to establish relationships of effectiveness with his world. (Author/RK)

Raymond Cattell's efforts to sort out the relationships of genetic or environmental patterns to personality factors have contributed to behavior genetics. Early writings on the projected decline of intelligence in Britain, studies using Multivariate Abstract Variance Analysis, and other miscellaneous studies on personality factors and mental…

SEVERAL EXPERIMENTS WITH RATS INVOLVING THE INFLUENCE OF CEREBRAL DESTRUCTION ON LEARNING ABILITY ARE DESCRIBED. THE TWO MAJOR EXPERIMENTS STUDY THE RETENTION OF THE MAZE HABIT AFTER CEREBRAL LESIONS AND THE INFLUENCE OF CEREBRAL LESIONS ON THE CAPACITY TO LEARN (INITIAL FORMATION OF HABITS). THEORECTICAL ANALYSIS OF THE LEARNING (BEHAVIOR)…